The Petzl Knee Ascent Loop facilitates ascents on a single rope. Upper strap is connected to the mechanical Prusik to allow the ZIGZAG or ZIGZAG PLUS and CHICANE unit to be raised.
CROLL L rope clamp is integrated, for a comfortable ascent in conjunction with a PANTIN foot-mounted rope clamp. Multiple settings adjust to different shapes and sizes.
Made of aluminium, steel and nylon. The Knee Ascent Loop is for semi-static ropes complying with EN 1891 A with diameters of 11.5 to 13 mm. Weight 280 g.